42CrMo alloy seamless steel yeeb nkab yog ib hom steel yeeb nkab uas muaj zog, siab hardness, thiab siab hnav tsis kam, ua los ntawm 42CrMo alloy hlau.Nws muaj cov khoom siv zoo, xws li lub zog siab, siab toughness, siab hnav tsis kam, thiab siab corrosion kuj, thiab haum rau manu ...
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